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Health Care Waste Management (HCWM)
DHQ, Daggar, Buner, Khyber Pakhtunkhwa
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LET THE WASTE OF THE “SICK” NOT CONTAMINATE THE LIVES OF “THE
HEALTHY”.
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Definition
• Hospital waste are the waste produced in the course of health care activities during Treatment, Diagnosing, and Immunizing Human being or animals or while doing Study/Research activities.
• 75-90% Non-Hazardous/General Waste• 10-15% -Hazardous
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HAZARDOUS WASTE
Solid liquid or gas wastes that can cause death, illness, or injury to people or destruction of environment if improperly treated, stored, transported or discarded.
Types of Waste
1. Risk Waste
Anything that is potentially contaminated.
2. Non-Risk Waste
Consists of mainly household waste like left over food items, packing and paper etc.
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WHO ClassificationWaste Categories Description and Examples
1.General Waste No risk to human health eg:office paper,wrapper,kitchen waste,general sweeping etc.
2.Pathological Waste Human Tissue or fluid eg:body parts,blood,body fluids etc.
3.Sharps Sharp waste eg:Needle,scaples,knives,blades etc.
4.Infectious waste Which may transmit bacterial,viral or parasitica disease to human being,waste suspected to contain pathogen eg:labrotory culture,tissues(swabs)bandage etc.
5.Chemical waste Eg:Labrotory reagent,disinfectants,Film Developer
6.Radio-active waste Eg: unused liquid from radiotherapy or lab research,contaminated glasswares etc.
7.Pharmacutical Waste Expired outdated drugs /chemicals
8.Pressurized container Gas cylinder,aerosal cans etc
9.Genotoxic Waste Waste Containing Cytotoxic Drugs(often Used In Cancer Therapy)
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Source of Health Care Waste• Governmental Hospital• Private Hospital• Nursing Homes• Physician’s Office• Dentist Office• Dispensaries• Mortuaries• Blood Bank and collection center• Animal Houses• Laboratories• Research Organizations
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CATEGORIES OF PERSONS EXPOSED TO RISK OF INFECTION
Sanitation workers
Medical & Paramedical staff
Patients+Visitors
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ROUTES OF TRANSMISSION
By ingestion (contaminated
unwashed hands, contaminated food stuffs, water etc)
Intact or non intact skin,
mucous membranes
Inhalation of dust particles
containing germs
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HAZARDOUS WASTE CONTROL
A. Source reduction
B. Recycling
C. Treatment
D. Disposal
i. Land fill
ii. Incinerator
iii. Composting
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DEVELOPMENT OF HOSPITAL WASTE MANAGEMENT POLICY
1. Waste Minimization2. Separation3. Identification4. Collection5. Storage6. Transport7. Measurements8. Treatment9. Disposal10. Worker Training11. Worker Health and Safety
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Generation, Segregation, Collection, Storage, Transportation and treatment of waste
SOPs for this system may differ from Hospital to Hospital/Nation wise.
• 1.Generation:Type Site of Generation Disposal By
Non-Hazardous waste/General waste
Office, Kitchen, Administration, Hostels, Stores, Rest rooms etc
Municipal / Public Authority
Hazardous (Infectious & toxic waste)
Wards, Treatment room, Dressing room, OT, ICU, Labor room, Laboratory, Dialysis room, CT scan, Radio-imaging etc
Hospital itself
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• 2.Segregation: Done at point of Generation of waste and put in separate colored coded bags. Color coding varies from nation to nation.
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CODED BINS
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All infectious waste in the ward should be incinerated. The segregation of the infectious and non-infectious should be done in the unit (waste generation point). For this purpose each unit should have three colored buckets for the following purposes.COLOR OF BUCKETTYPE OF WASTE
Red Hard material e.g. vials, glass bottles, surgical blades, discarded instruments, plaster casts, artificial kidney used for dialysis etc.
Yellow Infectious soft material e.g., drip sets, cannulas, nasogastric tube, blood bags, drainage bags, catheter, swabs, dressing pads, used gloves, mask, etc.
Blue General municipal waste e.g. papers juice / milk packing material fruit skin etc.
Safety Box syringes & butter fly needles
The contents of specified coloured bucket should be sent in separate bags to the incinerator so as to avoid mixing of infectious and non – infectious material.SOP of the waste management committee MUST be followed.
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Sharp and Disposable wastes
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Infectious Waste/Pathological Waste
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General Waste
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• 4. Storage of Waste:• Waste should not be stored in the generation area for more than a
period of 4-6 hours.• It is responsibility of paramedic/sanitation staff to check for
segregation• Waste collected in various areas should be transported for
disposal/Treatment.
• 3.Collection of waste:• Centralized sanitation staffs or any other sanitation
staffs should collect the waste during morning afternoon or evening under the supervision of nursing staff and sanitation supervisor; documentation should be done in register; Garbage bin should be cleaned and disinfected regularly.
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• Treatment & Disposal:• General waste should be dumped at municipal dumping site. Sanitation officer
should be responsible for proper coordination between municipal and hospital.
• Use of label/symble is useful in identifying waste for treatment .eg: Risk of corrosion, Danger of Infection, Toxic hazards, Glass Hazards, Radioactive materials etc.
• Transportation:
• There should be separate corridor and lift in hospital to carry and transport waste.
• General waste are deposited at municipal dumps.• Waste for autoclaving and incineration are dumped at separate site for
external transport (should have separate colored plastic bag for these waste)• Transportation should be done in sealed container/sanitation supervisor
should ensure for leakage.
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Waste GenerationSegregation
Waste CollectionWaste StorageTransportation
Dumping Incineration
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Protective clothing• Helmets• Face masks• Eye protectors• Industrial aprons• Leg protectors• Disposable gloves• Coveralls
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THE END